X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/0c2ad9eb349e1a5676468af3b407329dde4a53b4..0da99447d3e88e83f9977501bee56af5c7aa56c0:/LUFA/Common/CompilerSpecific.h

diff --git a/LUFA/Common/CompilerSpecific.h b/LUFA/Common/CompilerSpecific.h
index 6b4826aa5..ad2d075c4 100644
--- a/LUFA/Common/CompilerSpecific.h
+++ b/LUFA/Common/CompilerSpecific.h
@@ -1,13 +1,13 @@
 /*
              LUFA Library
-     Copyright (C) Dean Camera, 2011.
+     Copyright (C) Dean Camera, 2012.
 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*
-  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2012  Dean Camera (dean [at] fourwalledcubicle [dot] com)
 
   Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted
@@ -29,7 +29,7 @@
 */
 
 /** \file
- *  \brief Compiler specific macros for code optimization and correctness.
+ *  \brief Compiler specific definitions for code optimization and correctness.
  *
  *  \copydetails Group_CompilerSpecific
  *
@@ -38,12 +38,12 @@
  */
 
 /** \ingroup Group_Common
- *  \defgroup Group_CompilerSpecific Compiler Specific Macros
- *  \brief Compiler specific macros for code optimization and correctness.
+ *  \defgroup Group_CompilerSpecific Compiler Specific Definitions
+ *  \brief Compiler specific definitions for code optimization and correctness.
  *
- *  Compiler specific macros to expose certain compiler features which may increase the level of code optimization
+ *  Compiler specific definitions to expose certain compiler features which may increase the level of code optimization
  *  for a specific compiler, or correct certain issues that may be present such as memory barriers for use in conjunction
- *  with atomic variable access. 
+ *  with atomic variable access.
  *
  *  Where possible, on alternative compilers, these macros will either have no effect, or default to returning a sane value
  *  so that they can be used in existing code without the need for extra compiler checks in the user application code.
@@ -70,26 +70,25 @@
 				 *
 				 *  \param[in, out] StructPtr  Pointer to a structure which is to be forced into indirect access mode.
 				 */
-				#define GCC_FORCE_POINTER_ACCESS(StructPtr) __asm__ __volatile__("" : "=b" (StructPtr) : "0" (StructPtr))
+				#define GCC_FORCE_POINTER_ACCESS(StructPtr)   __asm__ __volatile__("" : "=b" (StructPtr) : "0" (StructPtr))
 
 				/** Forces GCC to create a memory barrier, ensuring that memory accesses are not reordered past the barrier point.
 				 *  This can be used before ordering-critical operations, to ensure that the compiler does not re-order the resulting
 				 *  assembly output in an unexpected manner on sections of code that are ordering-specific.
 				 */
-				#define GCC_MEMORY_BARRIER()                __asm__ __volatile__("" ::: "memory");
-				
-				/** Evaluates to boolean true if the specified value can be determined at compile time to be a constant value
-				 *  when compiling under GCC.
+				#define GCC_MEMORY_BARRIER()                  __asm__ __volatile__("" ::: "memory");
+
+				/** Determines if the specified value can be determined at compile-time to be a constant value when compiling under GCC.
 				 *
-				 *  \param[in] x  Value to check compile time constantness of.
+				 *  \param[in] x  Value to check compile-time constantness of.
 				 *
-				 *  \return Boolean true if the given value is known to be a compile time constant.
+				 *  \return Boolean true if the given value is known to be a compile time constant, false otherwise.
 				 */
-				#define GCC_IS_COMPILE_CONST(x)             __builtin_constant_p(x)
+				#define GCC_IS_COMPILE_CONST(x)               __builtin_constant_p(x)
 			#else
 				#define GCC_FORCE_POINTER_ACCESS(StructPtr)
 				#define GCC_MEMORY_BARRIER()
-				#define GCC_IS_COMPILE_CONST(x)             0
+				#define GCC_IS_COMPILE_CONST(x)               0
 			#endif
 
 #endif